Get Sub List of Java ArrayList Example

import java.util.ArrayList; import java.util.List;   public class GetSubListOfJavaArrayListExample {     public static void main(String[] args) {       //create an ArrayList object     ArrayList arrayList = new ArrayList();         //Add elements to Arraylist     arrayList.add("1");     arrayList.add("2");     arrayList.add("3");     arrayList.add("4");     arrayList.add("5");  ...

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Sort Element Of ArrayList In Java

import java.util.ArrayList; import java.util.Collections;   public class SortJavaArrayListExample {     public static void main(String[] args) {         //create an ArrayList object     ArrayList arrayList = new ArrayList();         //Add elements to Arraylist     arrayList.add("1");     arrayList.add("3");     arrayList.add("5");     arrayList.add("2");     arrayList.add("4");    ...

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Search an element from ArrayList

import java.util.ArrayList;public class SearchElementInArrayList {   public static void main(String args[])   {       ArrayList arrList=new ArrayList();              arrList.add("1");       arrList.add("2");       arrList.add("3");              Boolean flag=arrList.contains("1");             ...

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Replace an element in arraylist

import java.util.ArrayList;public class ReplaceElementInArrayList {        public static void main(String args[])    {        ArrayList arrList=new ArrayList();                arrList.add("Harit");        arrList.add("Lalit");                for(Object list:arrList)       ...

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Remove an element from specified index of Java ArrayList Example

import java.util.ArrayList;   public class RemoveElementFromArrayListExample {     public static void main(String[] args) {     //create an ArrayList object     ArrayList arrayList = new ArrayList();         //Add elements to Arraylist     arrayList.add("1");     arrayList.add("2");     arrayList.add("3");         /*       To remove an element from the specified index of ArrayList...

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Remove all elements from Java ArrayList Example

import java.util.ArrayList;   public class RemoveAllElementsOfArrayListExample {     public static void main(String[] args) {     //create an ArrayList object     ArrayList arrayList = new ArrayList();         //Add elements to Arraylist     arrayList.add("1");     arrayList.add("2");     arrayList.add("3");         System.out.println("Size of ArrayList before removing elements : "  ...

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Iterate a ArrayList Using Iterator

import java.util.ArrayList; import java.util.Iterator;   public class IterateThroughArrayListUsingIteratorExample {     public static void main(String[] args) {         //create an ArrayList object     ArrayList arrayList = new ArrayList();         //Add elements to Arraylist     arrayList.add("1");     arrayList.add("2");     arrayList.add("3");     arrayList.add("4");     arrayList.add("5");  ...

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Insert all elements of other Collection to Specified Index of Java ArrayList Example

import java.util.ArrayList; import java.util.Vector;   public class InsertAllElementsOfOtherCollectionToArrayListExample {     public static void main(String[] args) {       //create an ArrayList object     ArrayList arrayList = new ArrayList();         //Add elements to Arraylist     arrayList.add("1");     arrayList.add("2");     arrayList.add("3");         //create a new Vector object  ...

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Copy all elements of Java ArrayList to an Object Array Example

mport java.util.ArrayList;public class CopyElementsOfArrayListToArrayExample {  public static void main(String[] args) {    //create an ArrayList object    ArrayList arrayList = new ArrayList();       //Add elements to ArrayList    arrayList.add("1");    arrayList.add("2");    arrayList.add("3");    arrayList.add("4");    arrayList.add("5");       /*     ...

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Append all elements of other Collection to Java ArrayList Example

import java.util.ArrayList; import java.util.Vector; public class AppendAllElementsOfOtherCollectionToArrayListExample {   public static void main(String[] args) {     //create an ArrayList object     ArrayList arrayList = new ArrayList();         //Add elements to Arraylist     arrayList.add("1");     arrayList.add("2");     arrayList.add("3");         //create a new Vector object     Vector v = new Vector();  ...

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Array List

ArrayList Java ArrayList is a resizable array which implements List interface. ArrayList provides all operation defined by List interface. Internally ArrayList uses an array to store its elements. ArrayList provides additional methods to manipulate the array that actually stores the elements. ArrayList is equivalent to Vector, but ArrayList is not synchronized. Java ArrayList Capacity Capacity of an ArrayList is the size of the array used to store the list elements. It grows automatically as we add elements to it. Every...

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Add or substract hours to current time using Java Calendar

/*   Add or substract hours to current time using Java Calendar   This example shows how to add or substract hours in current time     using Java Calendar class. */   import java.util.Calendar;   public class AddHoursToCurrentDate {     public static void main(String[] args) {         //create Calendar instance     Calendar now = Calendar.getInstance();    ...

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Add or substract days to current date using Java Calendar

/*   Add or substract days to current date using Java Calendar   This example shows how to add or substract days in current date and time values   using Java Calendar class. */   import java.util.Calendar;   public class AddDaysToCurrentDate {     public static void main(String[] args) {         //create Calendar instance     Calendar now = Calendar.getInstance();  ...

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